/*
 * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *        http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package net.micode.notes.tool;

import android.content.ContentProviderOperation;
import android.content.ContentProviderResult;
import android.content.ContentResolver;
import android.content.ContentUris;
import android.content.ContentValues;
import android.content.OperationApplicationException;
import android.database.Cursor;
import android.os.RemoteException;
import android.util.Log;

import net.micode.notes.data.Notes;
import net.micode.notes.data.Notes.CallNote;
import net.micode.notes.data.Notes.NoteColumns;
import net.micode.notes.ui.NotesListAdapter.AppWidgetAttribute;

import java.util.ArrayList;
import java.util.HashSet;

public class DataUtils {
    public static final String TAG = "DataUtils"; // 日志标签
    private static final String fomat_ss = "%s: %s";

    /**
     * 批量删除笔记
     *
     * @param resolver ContentResolver对象，用于操作数据库
     * @param ids      要删除的笔记ID集合
     * @return 是否删除成功
     */
    public static boolean batchDeleteNotes(ContentResolver resolver, HashSet<Long> ids) {
        if (ids == null) {
            Log.d(TAG, "the ids is null"); // 如果ID集合为空，记录日志并返回成功
            return true;
        }
        if (ids.size() == 0) {
            Log.d(TAG, "no id is in the hashset"); // 如果ID集合为空，记录日志并返回成功
            return true;
        }

        // 创建ContentProviderOperation列表，用于批量删除操作
        ArrayList<ContentProviderOperation> operationList = new ArrayList<ContentProviderOperation>();
        for (long id : ids) {
            if (id == Notes.ID_ROOT_FOLDER) {
                Log.e(TAG, "Don't delete system folder root"); // 如果ID是系统根文件夹，跳过删除
                continue;
            }
            // 构建删除操作
            ContentProviderOperation.Builder builder = ContentProviderOperation
                    .newDelete(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id));
            operationList.add(builder.build()); // 将删除操作添加到操作列表中
        }
        try {
            // 执行批量删除操作
            ContentProviderResult[] results = resolver.applyBatch(Notes.AUTHORITY, operationList);
            if (results == null || results.length == 0 || results[0] == null) {
                Log.d(TAG, "delete notes failed, ids:" + ids.toString()); // 如果删除失败，记录日志并返回失败
                return false;
            }
            return true; // 删除成功
        } catch (RemoteException e) {
            Log.e(TAG, String.format(fomat_ss, e.toString(), e.getMessage())); // 捕获远程异常并记录日志
        } catch (OperationApplicationException e) {
            Log.e(TAG, String.format(fomat_ss, e.toString(), e.getMessage())); // 捕获操作应用异常并记录日志
        }
        return false; // 删除失败
    }

    /**
     * 将笔记移动到指定文件夹
     *
     * @param resolver     ContentResolver对象，用于操作数据库
     * @param id           要移动的笔记ID
     * @param srcFolderId  源文件夹ID
     * @param desFolderId  目标文件夹ID
     */
    public static void moveNoteToFoler(ContentResolver resolver, long id, long srcFolderId, long desFolderId) {
        ContentValues values = new ContentValues();
        values.put(NoteColumns.PARENT_ID, desFolderId); // 设置目标文件夹ID
        values.put(NoteColumns.ORIGIN_PARENT_ID, srcFolderId); // 设置源文件夹ID
        values.put(NoteColumns.LOCAL_MODIFIED, 1); // 标记为本地已修改
        resolver.update(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id), values, null, null); // 更新笔记的父文件夹ID
    }

    /**
     * 批量将笔记移动到指定文件夹
     *
     * @param resolver ContentResolver对象，用于操作数据库
     * @param ids      要移动的笔记ID集合
     * @param folderId 目标文件夹ID
     * @return 是否移动成功
     */
    public static boolean batchMoveToFolder(ContentResolver resolver, HashSet<Long> ids, long folderId) {
        if (ids == null) {
            Log.d(TAG, "the ids is null"); // 如果ID集合为空，记录日志并返回成功
            return true;
        }

        // 创建ContentProviderOperation列表，用于批量移动操作
        ArrayList<ContentProviderOperation> operationList = new ArrayList<ContentProviderOperation>();
        for (long id : ids) {
            ContentProviderOperation.Builder builder = ContentProviderOperation
                    .newUpdate(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, id));
            builder.withValue(NoteColumns.PARENT_ID, folderId); // 设置目标文件夹ID
            builder.withValue(NoteColumns.LOCAL_MODIFIED, 1); // 标记为本地已修改
            operationList.add(builder.build()); // 将更新操作添加到操作列表中
        }

        try {
            // 执行批量移动操作
            ContentProviderResult[] results = resolver.applyBatch(Notes.AUTHORITY, operationList);
            if (results == null || results.length == 0 || results[0] == null) {
                Log.d(TAG, "delete notes failed, ids:" + ids.toString()); // 如果移动失败，记录日志并返回失败
                return false;
            }
            return true; // 移动成功
        } catch (RemoteException e) {
            Log.e(TAG, String.format(fomat_ss, e.toString(), e.getMessage())); // 捕获远程异常并记录日志
        } catch (OperationApplicationException e) {
            Log.e(TAG, String.format(fomat_ss, e.toString(), e.getMessage())); // 捕获操作应用异常并记录日志
        }
        return false; // 移动失败
    }

    /**
     * 获取用户文件夹的数量（不包括系统文件夹）
     *
     * @param resolver ContentResolver对象，用于操作数据库
     * @return 用户文件夹的数量
     */
    public static int getUserFolderCount(ContentResolver resolver) {
        // 查询用户文件夹的数量，排除系统文件夹和回收站
        Cursor cursor = resolver.query(Notes.CONTENT_NOTE_URI,
                new String[]{"COUNT(*)"},
                NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>?",
                new String[]{String.valueOf(Notes.TYPE_FOLDER), String.valueOf(Notes.ID_TRASH_FOLER)},
                null);

        int count = 0;
            if (cursor.moveToFirst() && cursor != null) {
                try {
                    count = cursor.getInt(0); // 获取文件夹数量
                } catch (IndexOutOfBoundsException e) {
                    Log.e(TAG, "get folder count failed:" + e.toString()); // 捕获索引越界异常并记录日志
                } finally {
                    cursor.close(); // 关闭游标
                }
            }
        return count; // 返回文件夹数量
    }

    /**
     * 检查笔记是否在数据库中可见（不在回收站中）
     *
     * @param resolver ContentResolver对象，用于操作数据库
     * @param noteId   笔记ID
     * @param type     笔记类型
     * @return 笔记是否可见
     */
    public static boolean visibleInNoteDatabase(ContentResolver resolver, long noteId, int type) {
        // 查询笔记是否存在于数据库中且不在回收站中
        Cursor cursor = resolver.query(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId),
                null,
                NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER,
                new String[]{String.valueOf(type)},
                null);

        boolean exist = false;
        if (cursor != null) {
            if (cursor.getCount() > 0) {
                exist = true; // 笔记存在且不在回收站中
            }
            cursor.close(); // 关闭游标
        }
        return exist; // 返回笔记是否可见
    }

    /**
     * 检查笔记是否存在于笔记数据库中
     *
     * @param resolver ContentResolver对象，用于操作数据库
     * @param noteId   笔记ID
     * @return 笔记是否存在
     */
    public static boolean existInNoteDatabase(ContentResolver resolver, long noteId) {
        // 查询笔记是否存在于数据库中
        Cursor cursor = resolver.query(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId),
                null, null, null, null);

        boolean exist = false;
        if (cursor != null) {
            if (cursor.getCount() > 0) {
                exist = true; // 笔记存在
            }
            cursor.close(); // 关闭游标
        }
        return exist; // 返回笔记是否存在
    }

    /**
     * 检查数据是否存在于数据数据库中
     *
     * @param resolver ContentResolver对象，用于操作数据库
     * @param dataId   数据ID
     * @return 数据是否存在
     */
    public static boolean existInDataDatabase(ContentResolver resolver, long dataId) {
        // 查询数据是否存在于数据库中
        Cursor cursor = resolver.query(ContentUris.withAppendedId(Notes.CONTENT_DATA_URI, dataId),
                null, null, null, null);

        boolean exist = false;
        if (cursor != null) {
            if (cursor.getCount() > 0) {
                exist = true; // 数据存在
            }
            cursor.close(); // 关闭游标
        }
        return exist; // 返回数据是否存在
    }

    /**
     * 检查文件夹名称是否已存在（不包括回收站中的文件夹）
     *
     * @param resolver ContentResolver对象，用于操作数据库
     * @param name     文件夹名称
     * @return 文件夹名称是否已存在
     */
    public static boolean checkVisibleFolderName(ContentResolver resolver, String name) {
        // 查询文件夹名称是否已存在，排除回收站中的文件夹
        Cursor cursor = resolver.query(Notes.CONTENT_NOTE_URI, null,
                NoteColumns.TYPE + "=" + Notes.TYPE_FOLDER +
                        " AND " + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER +
                        " AND " + NoteColumns.SNIPPET + "=?",
                new String[]{name}, null);
        boolean exist = false;
        if (cursor != null) {
            if (cursor.getCount() > 0) {
                exist = true; // 文件夹名称已存在
            }
            cursor.close(); // 关闭游标
        }
        return exist; // 返回文件夹名称是否已存在
    }

    /**
     * 获取文件夹中的笔记小部件信息
     *
     * @param resolver ContentResolver对象，用于操作数据库
     * @param folderId 文件夹ID
     * @return 小部件信息集合
     */
    public static HashSet<AppWidgetAttribute> getFolderNoteWidget(ContentResolver resolver, long folderId) {
        // 查询文件夹中的笔记小部件信息
        Cursor c = resolver.query(Notes.CONTENT_NOTE_URI,
                new String[]{NoteColumns.WIDGET_ID, NoteColumns.WIDGET_TYPE},
                NoteColumns.PARENT_ID + "=?",
                new String[]{String.valueOf(folderId)},
                null);

        HashSet<AppWidgetAttribute> set = null;
        if (c != null) {
            if (c.moveToFirst()) {
                set = new HashSet<AppWidgetAttribute>();
                do {
                    try {
                        AppWidgetAttribute widget = new AppWidgetAttribute();
                        widget.widgetId = c.getInt(0); // 获取小部件ID
                        widget.widgetType = c.getInt(1); // 获取小部件类型
                        set.add(widget); // 将小部件信息添加到集合中
                    } catch (IndexOutOfBoundsException e) {
                        Log.e(TAG, e.toString()); // 捕获索引越界异常并记录日志
                    }
                } while (c.moveToNext());
            }
            c.close(); // 关闭游标
        }
        return set; // 返回小部件信息集合
    }

    /**
     * 根据笔记ID获取通话记录的电话号码
     *
     * @param resolver ContentResolver对象，用于操作数据库
     * @param noteId   笔记ID
     * @return 电话号码
     */
    public static String getCallNumberByNoteId(ContentResolver resolver, long noteId) {
        // 查询通话记录的电话号码
        Cursor cursor = resolver.query(Notes.CONTENT_DATA_URI,
                new String[]{CallNote.PHONE_NUMBER},
                CallNote.NOTE_ID + "=? AND " + CallNote.MIME_TYPE + "=?",
                new String[]{String.valueOf(noteId), CallNote.CONTENT_ITEM_TYPE},
                null);

        if (cursor != null && cursor.moveToFirst()) {
            try {
                return cursor.getString(0); // 获取电话号码
            } catch (IndexOutOfBoundsException e) {
                Log.e(TAG, "Get call number fails " + e.toString()); // 捕获索引越界异常并记录日志
            } finally {
                cursor.close(); // 关闭游标
            }
        }
        return ""; // 返回空字符串
    }

    /**
     * 根据电话号码和通话日期获取笔记ID
     *
     * @param resolver    ContentResolver对象，用于操作数据库
     * @param phoneNumber 电话号码
     * @param callDate    通话日期
     * @return 笔记ID
     */
    public static long getNoteIdByPhoneNumberAndCallDate(ContentResolver resolver, String phoneNumber, long callDate) {
        // 查询笔记ID
        Cursor cursor = resolver.query(Notes.CONTENT_DATA_URI,
                new String[]{CallNote.NOTE_ID},
                CallNote.CALL_DATE + "=? AND " + CallNote.MIME_TYPE + "=? AND PHONE_NUMBERS_EQUAL("
                        + CallNote.PHONE_NUMBER + ",?)",
                new String[]{String.valueOf(callDate), CallNote.CONTENT_ITEM_TYPE, phoneNumber},
                null);

        if (cursor != null) {
            if (cursor.moveToFirst()) {
                try {
                    return cursor.getLong(0); // 获取笔记ID
                } catch (IndexOutOfBoundsException e) {
                    Log.e(TAG, "Get call note id fails " + e.toString()); // 捕获索引越界异常并记录日志
                }
            }
            cursor.close(); // 关闭游标
        }
        return 0; // 返回0表示未找到
    }

    /**
     * 根据笔记ID获取笔记的摘要
     *
     * @param resolver ContentResolver对象，用于操作数据库
     * @param noteId   笔记ID
     * @return 笔记摘要
     */
    public static String getSnippetById(ContentResolver resolver, long noteId) {
        // 查询笔记摘要
        Cursor cursor = resolver.query(Notes.CONTENT_NOTE_URI,
                new String[]{NoteColumns.SNIPPET},
                NoteColumns.ID + "=?",
                new String[]{String.valueOf(noteId)},
                null);

        if (cursor != null) {
            String snippet = "";
            if (cursor.moveToFirst()) {
                snippet = cursor.getString(0); // 获取笔记摘要
            }
            cursor.close(); // 关闭游标
            return snippet; // 返回笔记摘要
        }
        throw new IllegalArgumentException("Note is not found with id: " + noteId); // 抛出异常，笔记未找到
    }

    /**
     * 格式化笔记摘要（去除换行符）
     *
     * @param snippet 笔记摘要
     * @return 格式化后的笔记摘要
     */
    public static String getFormattedSnippet(String snippet) {
        if (snippet != null) {
            snippet = snippet.trim(); // 去除前后空格
            int index = snippet.indexOf('\n'); // 查找换行符的位置
            if (index != -1) {
                snippet = snippet.substring(0, index); // 去除换行符
            }
        }
        return snippet; // 返回格式化后的笔记摘要
    }
}